fixup! Fix missing dependency on UR headers

Author: ldrumm

sycl/CMakeLists.txt

@@ -243,7 +243,7 @@ add_custom_target(sycl-headers
           sycl-device-aspect-macros-header
           boost_mp11-headers)
 
-list(APPEND UR_HEADERS
+list(APPEND UR_HEADERS_TO_COPY
   ${UNIFIED_RUNTIME_INCLUDE_DIR}/ur_api.h
   ${UNIFIED_RUNTIME_INCLUDE_DIR}/ur_api_funcs.def
   ${UNIFIED_RUNTIME_INCLUDE_DIR}/ur_print.hpp
@@ -257,13 +257,13 @@ add_custom_command(
           ${HEADERS_IN_CL_DIR}
           ${HEADERS_IN_STD_DIR}
           ${HEADERS_IN_SYCLCOMPAT_DIR}
-          ${UR_HEADERS}
+          ${UR_HEADERS_TO_COPY}
   COMMAND ${CMAKE_COMMAND} -E copy_directory ${sycl_inc_dir}/sycl ${SYCL_INCLUDE_BUILD_DIR}/sycl
   COMMAND ${CMAKE_COMMAND} -E copy_directory ${sycl_inc_dir}/CL ${SYCL_INCLUDE_BUILD_DIR}/CL
   COMMAND ${CMAKE_COMMAND} -E copy_directory ${sycl_inc_dir}/std ${SYCL_INCLUDE_BUILD_DIR}/std
   COMMAND ${CMAKE_COMMAND} -E copy_directory ${sycl_inc_dir}/syclcompat ${SYCL_INCLUDE_BUILD_DIR}/syclcompat
   COMMAND ${CMAKE_COMMAND} -E copy ${sycl_inc_dir}/syclcompat.hpp ${SYCL_INCLUDE_BUILD_DIR}/syclcompat.hpp
-  COMMAND ${CMAKE_COMMAND} -E copy ${UR_HEADERS} ${SYCL_INCLUDE_BUILD_DIR}
+  COMMAND ${CMAKE_COMMAND} -E copy ${UR_HEADERS_TO_COPY} ${SYCL_INCLUDE_BUILD_DIR}
   COMMENT "Copying SYCL headers ...")
 
 # Copy SYCL headers from source to install directory